This is the second installment of an email interview with James Christie, independent software testing consultant and owner of Claro Testing Ltd. In the first part, James talks about his views on usability testing, and in this second part he discusses leaders in usability testing, KPIs, test automation tools, cloud computing, and testing blogs.

Living in Scotland, James has worked with large global organizations such as IBM, and he provides consulting services as leader of Claro Testing Ltd. His consulting includes setting testing strategy and budget, writing test plans, supervising test execution. and creating testing processes.
Who are the top 3 usability testing experts that you know? No need to list yourself, that is a given.